Overview

One of the largest copper porphyry districts globally. Rosario and Ujina deposits.

Geological Context

Host Rock: Granodiorite porphyry (Eocene-Oligocene)

Tectonic Setting: Continental arc

Geological Province: Central Andes

Metallogenic Belt: Andean Porphyry Belt

Operator: Anglo American/Glencore

Mining Method: Open Pit

Production Start: 1995

Source: Anglo American technical reports

Last Verified: 2026-01-15